.msgbox{
    margin-left:5px;
    position:absolute;
    height:79%;
    top:0%;
    width:79%;
    left:20%;
    border:1px solid #000;
    overflow:auto;
}
.sendbox{
    margin-left:5px;
    position:absolute;
    top:80%;
    height:19%;
    left:20%;
    width:79%;
    border:1px solid #000;
    overflow:auto;
}
.zw{
    margin-left:1px;
    position:absolute;
    left:0%;
    height:99%;
    width:20%;
    top:0%;
    border:1px solid #000;
}
#ibox{
    position:relative;
    height:32px;
    width:98%;
}
#psend{
    position:relative;
    width:15%;
}
#msend{
    position:relative;
    width:15%;
}